<template>
  <div class="main">
    <a-form id="formLogin" class="user-layout-login" ref="formLogin" :form="form" @submit="handleSubmit">
      <a-tabs :activeKey="customActiveKey" :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }"
        @change="handleTabClick">
        <a-tab-pane key="tab1" :tab="$t('user.login.tab-login-credentials')">
          <a-alert v-if="isLoginError" type="error" showIcon style="margin-bottom: 24px;"
            :message="$t('user.login.message-invalid-credentials')" />
          <a-form-item>
            <a-input size="large" type="text" :placeholder="'用户名'" v-decorator="[
              'userAccount',
              { rules: [{ required: true, message: '请输入用户名' }], validateTrigger: 'change' }
            ]">
              <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>

          <a-form-item>
            <a-input-password size="large" :placeholder="'密码'" v-decorator="[
              'password',
              { rules: [{ required: true, message: '请输入密码' }], validateTrigger: 'blur' }
            ]">
              <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input-password>
          </a-form-item>
        </a-tab-pane>
        <!--        <a-tab-pane key="tab2" :tab="$t('user.login.tab-login-mobile')">
                  <a-form-item>
                    <a-input size="large" type="text" :placeholder="$t('user.login.mobile.placeholder')" v-decorator="['mobile', {rules: [{ required: true, pattern: /^1[34578]\d{9}$/, message: $t('user.login.mobile.placeholder') }], validateTrigger: 'change'}]">
                      <a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }"/>
                    </a-input>
                  </a-form-item>

                  <a-row :gutter="16">
                    <a-col class="gutter-row" :span="16">
                      <a-form-item>
                        <a-input size="large" type="text" :placeholder="$t('user.login.mobile.verification-code.placeholder')" v-decorator="['captcha', {rules: [{ required: true, message: $t('user.verification-code.required') }], validateTrigger: 'blur'}]">
                          <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }"/>
                        </a-input>
                      </a-form-item>
                    </a-col>
                    <a-col class="gutter-row" :span="8">
                      <a-button
                        class="getCaptcha"
                        tabindex="-1"
                        :disabled="state.smsSendBtn"
                        @click.stop.prevent="getCaptcha"
                        v-text="!state.smsSendBtn && $t('user.register.get-verification-code') || (state.time+' s')"
                      ></a-button>
                    </a-col>
                  </a-row>
                </a-tab-pane>-->
      </a-tabs>

      <!--      <a-form-item>
              <a-checkbox v-decorator="['rememberMe', { valuePropName: 'checked' }]">{{ $t('user.login.remember-me') }}</a-checkbox>
              <router-link
                :to="{ name: 'recover', params: { user: 'aaa'} }"
                class="forge-password"
                style="float: right;"
              >{{ $t('user.login.forgot-password') }}</router-link>
            </a-form-item>-->

      <a-form-item style="margin-top:24px">
        <a-button size="large" type="primary" htmlType="submit" class="login-button" :loading="state.loginBtn"
          :disabled="state.loginBtn">{{ $t('user.login.login') }}
        </a-button>
      </a-form-item>

      <!--      <div class="user-login-other">
              <span>{{ $t('user.login.sign-in-with') }}</span>
              <a>
                <a-icon class="item-icon" type="alipay-circle"></a-icon>
              </a>
              <a>
                <a-icon class="item-icon" type="taobao-circle"></a-icon>
              </a>
              <a>
                <a-icon class="item-icon" type="weibo-circle"></a-icon>
              </a>
              <router-link class="register" :to="{ name: 'register' }">{{ $t('user.login.signup') }}</router-link>
            </div>-->
    </a-form>

    <two-step-captcha v-if="requiredTwoStepCaptcha" :visible="stepCaptchaVisible" @success="stepCaptchaSuccess"
      @cancel="stepCaptchaCancel"></two-step-captcha>
  </div>
</template>

<script>
import md5 from 'md5'
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
import { getSmsCaptcha, get2step } from '@/api/login'

export default {
  components: {
    TwoStepCaptcha
  },
  data() {
    return {
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 userAccount, 2 telephone
      loginType: 0,
      isLoginError: false,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 userAccount, 2 telephone
        loginType: 0,
        smsSendBtn: false
      }
    }
  },
  created() {
    get2step({})
      .then(res => {
        this.requiredTwoStepCaptcha = res.result.stepCode
      })
      .catch(() => {
        this.requiredTwoStepCaptcha = false
      })
    // this.requiredTwoStepCaptcha = true
  },
  methods: {
    ...mapActions(['Login', 'Logout']),
    // handler
    handleTabClick(key) {
      this.customActiveKey = key
      // this.form.resetFields()
    },
    handleSubmit(e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state,
        customActiveKey,
        Login
      } = this

      state.loginBtn = true

      const validateFieldsKey = customActiveKey === 'tab1' ? ['userAccount', 'password'] : ['mobile', 'captcha']

      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          console.log('login form', values)
          const loginParams = { ...values }
          delete loginParams.userAccount
          loginParams['userAccount'] = values.userAccount
          // loginParams.password = md5(values.password)
          loginParams.password = values.password
          Login(loginParams)
            .then((res) => this.loginSuccess(res))
            .catch(err => this.requestFailed(err))
            .finally(() => {
              state.loginBtn = false
            })
        } else {
          setTimeout(() => {
            state.loginBtn = false
          }, 600)
        }
      })
    },
    getCaptcha(e) {
      e.preventDefault()
      const { form: { validateFields }, state } = this

      validateFields(['mobile'], { force: true }, (err, values) => {
        if (!err) {
          state.smsSendBtn = true

          const interval = window.setInterval(() => {
            if (state.time-- <= 0) {
              state.time = 60
              state.smsSendBtn = false
              window.clearInterval(interval)
            }
          }, 1000)

          const hide = this.$message.loading('验证码发送中..', 0)
          getSmsCaptcha({ mobile: values.mobile }).then(res => {
            setTimeout(hide, 2500)
            this.$notification['success']({
              message: '提示',
              description: '验证码获取成功，您的验证码为：' + res.result.captcha,
              duration: 8
            })
          }).catch(err => {
            setTimeout(hide, 1)
            clearInterval(interval)
            state.time = 60
            state.smsSendBtn = false
            this.requestFailed(err)
          })
        }
      })
    },
    stepCaptchaSuccess() {
      this.loginSuccess()
    },
    stepCaptchaCancel() {
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    loginSuccess(res) {
      console.log(res)
      // check res.homePage define, set $router.push name res.homePage
      // Why not enter onComplete
      /*
      this.$router.push({ name: 'analysis' }, () => {
        console.log('onComplete')
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`
        })
      })
      */
      this.$router.push({ path: '/' })
      // 延迟 1 秒显示欢迎信息
      setTimeout(() => {
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`
        })
      }, 1000)
      this.isLoginError = false
    },
    requestFailed(err) {
      console.log(err);
      
      this.isLoginError = true
      this.$notification['error']({
        message: '错误',
        description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
        duration: 4
      })
    }
  }
}
</script>

<style lang="less" scoped>
/* 全局样式文件或组件内部 */
.ant-input {
  height: 80px !important;
  /* 使用 !important 来确保覆盖 */
}

.user-layout-login {
  label {
    font-size: 14px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    padding: 0 15px;
    font-size: 16px;
    height: 50px;
    width: 100%;
    border-radius: 10px;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
</style>
